package com.itheima.myextnds;

public class Zi extends Fu {
int a=20;


    public void method() {
        int a=30;
        //本类局部变量
        System.out.println(a);
        //本类成员变量
        System.out.println(this.a);
        //父类成员变量
        System.out.println(super.a);
    }
}
